The Phoenician Engineering medical-grade large 4-piece grinder is 3.225" in Diameter, 2.225" in Height and are 9.0 oz in weight. This large anodized 4-piece grinder comes with a proprietary quick lock threadless system, making it impossible to cross thread. These high-quality grinders also contain removable screens for easy cleaning and replacement. Each Phoenician is sterilized, individually serialized and comes with a Lifetime Warranty. This product may take from 3 to 5 days before shipping.